{"coeffs": [-1.7696950149292041e-06, 0.5749695716877771, 1.9861694424999543, 0.15634038151972837], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [2.1701284444811795e-06, 1156.416930880417, 316.30287075571846, 0.0362622954660769], "covariance": [[4.709457465546304e-12, -0.0018828233964463597, -0.0005150819193941802, -6.778532535851364e-08], [-0.001882823396615114, 1337300.1180268833, 365777.98215749516, 40.43964011238983], [-0.0005150819194417698, 365777.9821574815, 100047.50604830874, 11.061844175940191], [-6.778532536188601e-08, 40.43964011082985, 11.061844175512594, 0.0013149540724690615]]}